import java.io.UnsupportedEncodingException;

public class CharactorEncoding {
    public CharactorEncoding() {
    }
    public String toString(String str){
        String text = "";
        if (str != null && !"".equals(str)){
            try {
                text = new String(str.getBytes(iso8859-1),"GB18030");
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
        }
        return text;
    }
}
